MCQ
The element with atomic number $117$ has not been discovered yet. In which family would you place this element if discovered?
- AAlkali metals
- BAlkaline earth metals
- ✓Halogens
- DNoble gases
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$(A)$ $3$ electrons in neutral medium
$(B)$ $5$ electrons in neutral medium
$(C)$ $3$ electrons in alkaline medium
$(D)$ $5$ electrons in acidic medium
$A.$ $KF > KI ; LiF > KF$
$B.$ $KF < KI ; LiF > KF$
$C.$ $SnCl _4 > SnCl _2 ; CuCl > NaCl$
$D.$ $LiF > KF ; \quad CuCl < NaCl$
$E.$ $KF < KI ; CuCl > NaCl$